STREPTOMYCES AVERMITILIS AND METHOD OF AVERMECTIN B PREPARATION

Avermectin B is prepared by cultivation of a Streptomyces avermitilis strain which is deprived of dehydrogenase 2-oxo acids with a branched chain and O-methyltransferase of avermectin B. A use of the prepared un/natural avermectins B as the parasiticidal agents is further disclosed.

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Bibliographische Detailangaben
Hauptverfasser:	HAFNER EDMUND W, LEE SHIN-JEN E, HOLDOM KELVIN S
Format:	Patent
Sprache:	eng ; slo
Schlagworte:	AGRICULTURE ANIMAL HUSBANDRY BEER BIOCHEMISTRY BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES, AS HERBICIDES CHEMISTRY COMPOSITIONS THEREOF CULTURE MEDIA DERIVATIVES THEREOF ENZYMOLOGY FERMENTATION OR ENZYME-USING PROCESSES TO SYNTHESISE A DESIREDCHEMICAL COMPOUND OR COMPOSITION OR TO SEPARATE OPTICAL ISOMERSFROM A RACEMIC MIXTURE FISHING FODDER FOODS OR FOODSTUFFS FORESTRY HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HUNTING HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY MICROBIOLOGY MICROORGANISMS OR ENZYMES MUTATION OR GENETIC ENGINEERING NUCLEIC ACIDS NUCLEOSIDES NUCLEOTIDES ORGANIC CHEMISTRY PEST REPELLANTS OR ATTRACTANTS PLANT GROWTH REGULATORS PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTSTHEREOF PROCESSES USING MICROORGANISMS PROPAGATING, PRESERVING OR MAINTAINING MICROORGANISMS SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS ORMEDICINAL PREPARATIONS SPIRITS SUGARS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES TRAPPING VINEGAR WINE
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Beschreibung
Zusammenfassung:	Avermectin B is prepared by cultivation of a Streptomyces avermitilis strain which is deprived of dehydrogenase 2-oxo acids with a branched chain and O-methyltransferase of avermectin B. A use of the prepared un/natural avermectins B as the parasiticidal agents is further disclosed.